plot.fasp

0th

Percentile

Plot a Function Array

Plots an array of summary functions, usually associated with a point pattern, stored in an object of class "fasp". A method for plot.

Keywords
spatial
Usage
plot(x)
plot(x, formula=formula)
plot(x, formula=formula, subset)
Arguments
x
An object of class "fasp" representing a function array.
formula
A formula or list of formulae indicating what variables are to be plotted against what variable. If formula is a list, its $k^{th}$ component should be applicable to the $(i,j)^{th}$ plot where x$which[i,j]=k. I
subset
A logical vector, or a vector of indices, or an expression or a character string, or a list of such, indicating a subset of the data to be included in each plot. If subset is a list, its $k^{th}$ component should be
lty
A vector of integers indicating line types to be used in forming the plot.
col
A vector of integers indicating colours for the different lines which form the plot.
Details

An object of class "fasp" represents an array of summary functions, usually associated with a point pattern. See fasp.object for details. Such an object might be created, for example, by alltypes or allstats.

The function plot.fasp is a method for plot. It calls conspire to do the actual plotting.

For information about the interpretation of the arguments formula, subset, lty and col, see conspire.

The argument title, if present, will determine the overall title of the plot. If it is absent, it defaults to x$title. Titles for the individual plot panels will be taken from x$titles.

Value

  • None.

synopsis

plot.fasp(x,formula=NULL,subset=NULL,lty=NULL,col=NULL,title=NULL,...)

Warnings

The new classes and methods of S version 4 have not been used here. Hence, this function falls over in some versions of S-PLUS if a formula is given explicitly as an argument, unless either this argument is presented in the ``name=value'' format, or this function is called explicitly as plot.fasp and not as plot. There is no problem in R.

(Each component of) the subset argument may be a logical vector (of the same length as the vectors of data which are extracted from x), or a vector of indices, or an expression such as expression(r<=0.2)< code="">, or a text string, such as "r<=0.2"< code="">.

Attempting a syntax such as subset = r<=0.2< code=""> (without wrapping r<=0.2< code=""> either in quote marks or in expression()) will cause this function to fall over.

Variables referred to in any formula must exist in the data frames stored in x. What the names of these variables are will of course depend upon the nature of x.

See Also

alltypes, allstats, conspire, fasp.object

Aliases
  • plot.fasp
Examples
library(spatstat)

   # Bramble Canes data.
   data(bramblecanes)

   X.G <- alltypes(bramblecanes,type="G",dataname="Bramblecanes",verb=TRUE)
   plot(X.G)
   plot(X.G,subset="r<=0.2")
   plot(X.G,formula=cbind(asin(sqrt(km)),
                    asin(sqrt(theo))) ~ asin(sqrt(theo)))
       plot(X.G,fo=cbind(km-theo,0)~r,"r<=0.2")

   # Swedish pines.
   data(swedishpines)
   X <- allstats(swedishpines,dataname="Swedish Pines")
   plot(X,subset=list("r<=20","r<=20","r<=20","r<=50"))

   # Simulated data.
   pp <- runifpoint(350, owin(c(0,1),c(0,1)))
   pp$marks <- factor(c(rep(1,50),rep(2,100),rep(3,200)))
   X.K <- alltypes(pp,type="K",verb=TRUE,dataname="Fake Data")
   plot(X.K,fo=cbind(border,theo)~theo,"theo<=0.75")
Documentation reproduced from package spatstat, version 1.2-1, License: GPL version 2 or newer

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